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Danfoss 137U3185 iC7 Automation enclosed variable frequency drive, a 730 A three phase 380-500 V AC air-cooled low-harmonic drive with IP54 / UL Type 12 enclosure, Modbus TCP communication and integrated functional safety.
£71,752.50
The Danfoss 137U3185 is a high-performance iC7 Automation enclosed variable frequency drive (VFD) designed for demanding high-power industrial motor control and automation applications. As part of the advanced Danfoss iC7 Automation enclosed drive series, it provides precise speed and torque control for large three-phase AC motors used in process plants, manufacturing facilities and heavy-duty industrial systems.
This enclosed drive combines Danfoss iC7 drive technology with a robust air-cooled cabinet design, helping simplify installation while supporting dependable operation in challenging industrial environments. The low-harmonic configuration helps improve power quality by reducing harmonic distortion, making it suitable for installations where efficient motor control and reliable electrical performance are essential.
With a rated current of 730 A, a three-phase 380–500 V AC supply and an IP54 / UL Type 12 enclosure, the Danfoss 137U3185 is ideal for high-power motor control applications requiring a complete floor-standing enclosed drive solution. The configured model includes Modbus TCP communication, standard I/O, relay option and functional safety features including STO and SS1-t.
Variable frequency drives such as the Danfoss 137U3185 regulate motor speed by adjusting output voltage and frequency. This enables smoother operation, improved process accuracy and reduced mechanical stress on motors, pumps, fans, compressors and driven machinery.
The iC7 Automation enclosed drive platform is designed for industrial applications requiring high current capacity, robust cabinet protection, advanced communications and integrated safety functions. Its low-harmonic design supports improved power quality in demanding electrical installations.
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| Power | 400 kW | |
|---|---|---|
| Current | 730 A | |
| Voltage | 500 V | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| Series | iC7 Automation Enclosed Drives | |
| Product code | 137U3185 | |
| Product type | Enclosed variable frequency drive | |
| Drive type | Air-cooled low-harmonic drive | |
| Rated current | 730 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP54 / UL Type 12 | |
| Frame | AE11 + IE11 | |
| EMC category | C3 | |
| Control panel | Control Panel 2.8 OPX20 | |
| I/O option | Standard I/O and Relay Option OC7C1 | |
| Functional safety | STO, SS1-t, fieldbus | |
| Mounting type | Enclosed cabinet / floor-standing installation |
The Danfoss 137U3185 is used to control the speed and torque of large three-phase AC motors in high-power industrial automation and process control applications.
This product belongs to the Danfoss iC7 Automation enclosed drive series.
The Danfoss 137U3185 has a rated current of 730 A.
The Danfoss 137U3185 is designed for a three-phase 380–500 V AC supply.
This configured drive includes Modbus TCP OS7MT communication for integration with industrial automation networks.
Danfoss iC7 Automation enclosed drives are trusted by engineers and system integrators for efficient high-power motor control, low-harmonic performance and dependable integration into modern industrial automation systems.
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